Ex-Dividend Date Explained: Timeline, T+1 Rules, and Price Drops
Learn how the ex-dividend date works, how SEC T+1 settlement aligned it with the record date, why stock prices drop at open, and IRS holding rules.
Market Education
Learn how stocks, bonds and capital markets work. Explore plain-English explanations, worked examples and charts, then follow related coverage to connect market concepts with current events. Find your way around ECMSource.
MARA Amends 2,000 MW Texas Deal and Posts $100M Utility Deposit
MARA Holdings posted a $100M utility deposit and amended its Texas data center acquisition for 2,000 MW of power, restructuring up to $600M in milestone terms.
Series EE Savings Bonds: How the 20-Year Guarantee and Taxes Work
Learn how Series EE savings bonds work, including the 20-year doubling guarantee, fixed rates, early redemption penalties, and federal tax deferral rules.
Charles River Lifts 2026 Outlook and Targets 24% Margin by 2030
Charles River raised its 2026 outlook to the high end and set 2030 goals, targeting 5% to 7% organic growth, 24% margins, and $300M+ in cost savings.
Capital Gains Tax on Stocks: Short-Term vs. Long-Term Rules
Understand how stock capital gains are taxed, the one-year holding period rule, IRS Schedule D netting, and the $3,000 annual loss offset limit.
KLX Energy Services Lifts Q3 Guidance on Drilling Rebound
KLX Energy Services tightened its Q3 2026 revenue guidance to $180M–$185M and projected Adjusted EBITDA margins of 13% to 14% following its rights offering.
Treasury Floating Rate Notes: How Index Rates and Spreads Work
Learn how Treasury Floating Rate Notes (FRNs) work, how their weekly index rate and fixed spread are determined, and why they carry near-zero duration.
TD SYNNEX Posts Record $21.6B Q3 Revenue on Enterprise AI Boom
TD SYNNEX posted record fiscal Q3 2026 revenue of $21.6B and an 89% GAAP EPS jump, driven by enterprise AI deployments and server manufacturing demand.
FDIC vs. SIPC: How Bank and Brokerage Protections Differ
Understand the key differences between FDIC deposit insurance and SIPC brokerage protection, including coverage limits, eligible assets, and cash rules.
Akamai Lands $11.6B Anthropic Cloud Deal and 5% Warrant
Akamai secured an $11.6 billion multi-year cloud contract with Anthropic, issued a 5% warrant, and committed $1.7 billion for server memory with Jabil.